Minimal surface entropy and applications of Ricci flow on finite-volume hyperbolic 3-manifolds
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| Format: | Preprint |
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2025
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| _version_ | 1866918132908556288 |
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| author | Jiang, Ruojing Pallete, Franco Vargas |
| author_facet | Jiang, Ruojing Pallete, Franco Vargas |
| contents | This paper studies minimal surface entropy (the exponential asymptotic growth of the number of minimal surfaces up to a given value of area) for negatively curved metrics on hyperbolic $3$-manifolds of finite volume, particularly its comparison to the hyperbolic minimal surface entropy in terms of sectional and scalar curvature.
On one hand, for metrics that are bilipschitz equivalent to the hyperbolic metric and have sectional curvature bounded above by $-1$ and uniformly bounded below, we show that the entropy achieves its minimum if and only if the metric is hyperbolic.
On the other hand, by analyzing the convergence rate of the Ricci flow toward the hyperbolic metric, we prove that among all metrics with scalar curvature bounded below by $-6$ and with non-positive sectional curvature on the cusps, the entropy is maximized at the hyperbolic metric, provided that it is infinitesimally rigid. Furthermore, if the metrics are uniformly $C^0$-close to the hyperbolic metric and asymptotically cusped, then the entropy associated with the Lebesgue measure is uniquely maximized at the hyperbolic metric. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2509_00197 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Minimal surface entropy and applications of Ricci flow on finite-volume hyperbolic 3-manifolds Jiang, Ruojing Pallete, Franco Vargas Differential Geometry Dynamical Systems Geometric Topology 53A10, 53E20, 57M50 This paper studies minimal surface entropy (the exponential asymptotic growth of the number of minimal surfaces up to a given value of area) for negatively curved metrics on hyperbolic $3$-manifolds of finite volume, particularly its comparison to the hyperbolic minimal surface entropy in terms of sectional and scalar curvature. On one hand, for metrics that are bilipschitz equivalent to the hyperbolic metric and have sectional curvature bounded above by $-1$ and uniformly bounded below, we show that the entropy achieves its minimum if and only if the metric is hyperbolic. On the other hand, by analyzing the convergence rate of the Ricci flow toward the hyperbolic metric, we prove that among all metrics with scalar curvature bounded below by $-6$ and with non-positive sectional curvature on the cusps, the entropy is maximized at the hyperbolic metric, provided that it is infinitesimally rigid. Furthermore, if the metrics are uniformly $C^0$-close to the hyperbolic metric and asymptotically cusped, then the entropy associated with the Lebesgue measure is uniquely maximized at the hyperbolic metric. |
| title | Minimal surface entropy and applications of Ricci flow on finite-volume hyperbolic 3-manifolds |
| topic | Differential Geometry Dynamical Systems Geometric Topology 53A10, 53E20, 57M50 |
| url | https://arxiv.org/abs/2509.00197 |